EP4070667A1 - Procédé et dispositif de conservation de boissons - Google Patents

Procédé et dispositif de conservation de boissons Download PDF

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Publication number
EP4070667A1
EP4070667A1 EP21167212.6A EP21167212A EP4070667A1 EP 4070667 A1 EP4070667 A1 EP 4070667A1 EP 21167212 A EP21167212 A EP 21167212A EP 4070667 A1 EP4070667 A1 EP 4070667A1
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EP
European Patent Office
Prior art keywords
pump
preservative
beverage
line
pump device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP21167212.6A
Other languages
German (de)
English (en)
Inventor
Erasmus Vogl
Jonas Burgholz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lanxess Deutschland GmbH
Original Assignee
Lanxess Deutschland GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lanxess Deutschland GmbH filed Critical Lanxess Deutschland GmbH
Priority to EP21167212.6A priority Critical patent/EP4070667A1/fr
Priority to CN202280026662.9A priority patent/CN117156981A/zh
Priority to EP22717388.7A priority patent/EP4297584A1/fr
Priority to BR112023020710A priority patent/BR112023020710A2/pt
Priority to JP2023561714A priority patent/JP2024518700A/ja
Priority to PCT/EP2022/057698 priority patent/WO2022214321A1/fr
Priority to MX2023011932A priority patent/MX2023011932A/es
Priority to AU2022252903A priority patent/AU2022252903A1/en
Priority to US18/285,864 priority patent/US20240180205A1/en
Priority to ARP220100857A priority patent/AR125653A1/es
Publication of EP4070667A1 publication Critical patent/EP4070667A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B70/00—Preservation of non-alcoholic beverages
    • A23B70/10—Preservation of non-alcoholic beverages by addition of preservatives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/211—Measuring of the operational parameters
    • B01F35/2111—Flow rate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/22—Control or regulation
    • B01F35/2201—Control or regulation characterised by the type of control technique used
    • B01F35/2203—Controlling the mixing process by feed-forward, i.e. a parameter of the components to be mixed is measured and the feed values are calculated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7176—Feed mechanisms characterised by the means for feeding the components to the mixer using pumps
    • B01F35/717613—Piston pumps
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/12—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages without precipitation
    • C12H1/14—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages without precipitation with non-precipitating compounds, e.g. sulfiting; Sequestration, e.g. with chelate-producing compounds

Definitions

  • the invention relates to a method and a device for preserving beverages and the use of the device for this purpose.
  • Preservatives such as dialkyl dicarbonates, sulfur dioxide, natamycin, benzoates or sorbates are used in the beverage industry for the cold sterilization of non-alcoholic carbonated or still fruit juice beverages, fruit juices, wines, non-alcoholic wines, ciders, ice teas and other beverages.
  • Dialkyl dicarbonates such as dimethyl dicarbonate or diethyl dicarbonate in particular, are a special cold disinfectant and have a number of advantages. The outstanding advantage lies in the fact that taste and color are not affected, in contrast to hot filling.
  • persistent preservatives such as sodium benzoate or benzoic acid or potassium sorbate or sorbic acid, the advantage consists in particular in the absence of any impairment of taste and the disappearance of the effect. Due to the decomposition of the dialkyl dicarbonates into harmless components, no preservative or preservative is consumed by the actual consumer.
  • the devices with diaphragm pumps consist of a magnetically or electrically driven diaphragm pump, storage tanks, a device attached to the beverage line for atomizing the dialkyl dicarbonate, a flow meter attached to the beverage line, and an electronic controller. Dosing pumps of this type are usually permanently installed in the beverage line.
  • Dialkyl dicarbonates are thus dosed proportionally into the beverage tube in the required amount.
  • Examples of these pumps are the VelcorinDT devices from Lanxess.
  • the diaphragm pumps described above work satisfactorily, but are associated with certain limitations.
  • the diaphragm dosing pumps used are relatively large and heavy and therefore usually have to be equipped with special mechanical pumps Devices for transporting loads are transported. Dosing pumps that can easily be carried by one person would be desirable. This would allow a much simpler and more flexible use.
  • diaphragm metering pumps with metal diaphragms are relatively expensive. This is due to the relatively solid construction, which is required to ensure reliable function. It would be desirable to have devices that are constructed much more simply.
  • a diaphragm dosing pump requires sufficient time for assembly and installation. For example, it must be ensured that the pumps are set up horizontally. Devices that can be installed relatively easily and quickly would be desirable here, especially in the bottling of wine, where the corresponding devices are only used for a short time a year and therefore a fast and uncomplicated installation would be particularly advantageous.
  • membranes of membrane dosing pumps can break or develop fine cracks. This can result in oil from the oil pressure area of the diaphragm getting into the beverage. In order to reliably prevent incorrect dosages, it is therefore necessary to install complex monitoring devices with these pumps in order to also be able to reliably detect a diaphragm rupture.
  • the device and the method are also significantly more economical than the methods used to date for preserving beverages.
  • a device for preserving beverages has a measuring device which is suitable and intended for determining the flow rate of a liquid flowing through a beverage line, and a pump device which conveys and/or meters a preservative, in particular dialkyl dicarbonate, into the beverage line, wherein a delivery line is provided, which opens into the beverage line and the pump device delivers the dialkyl dicarbonates through this delivery line, and wherein the pump device can be controlled as a function of a flow rate determined by the measuring device.
  • the pump device is designed as a piston pump and in particular as a reciprocating piston pump.
  • a device and a method for preserving beverages comprising a measuring device and in particular a flow measuring device and a piston stroke pump, are therefore described within the scope of the invention.
  • piston stroke pump is unusual, since its construction is more complex than that of a diaphragm pump.
  • main advantage of using a piston stroke pump is that it can be used more variably, especially with regard to the flow rates.
  • Beverages within the meaning of the invention are preferably non-alcoholic soft drinks or all corresponding beverages from other jurisdictions, some of which use other classifications. Also suitable for the invention are wine and wine mix drinks, alcoholic drinks with 0.5-18% alcohol, for example beer or beer mix drinks, juices, nectars, juice mix drinks, iced tea, etc. Carbonated and non-carbonated drinks are equally suitable. Beverages with a pH greater than 5 are not allowed Preferred for the purposes of the invention. The beverages to be bottled therefore preferably have a pH which is below or at 5.
  • Beverages according to the invention preferably contain 70 to 99.9% by weight water, based on the total mass of the liquid.
  • the measuring device is preferably a flow measuring device. All possible types of flow measuring devices are suitable.
  • the flow meter is preferably selected from a group of flow meters which include inductive flow meters, mass flow meters, mechanical flow meters or, for example, sound wave flow meters or surface flow meters.
  • a reciprocating piston pump used according to the invention typically has at least one piston-shaped (in particular in a rectilinear direction) movable pump body, which is particularly preferably driven by an electric motor.
  • the motor is preferably a controllable and in particular a controllable motor and particularly preferably a servo motor.
  • This piston is typically located in a suitable housing (which consists in particular of stainless steel) and is reciprocally moved back and forth.
  • the piston is typically sealed with suitable sealing devices and preferably sealing rings in such a way that no or only negligible amounts of pumped liquid can escape.
  • suitable sealing devices Preferably less than 0.1 ppm, preferably less than 0.08 ppm and particularly preferably less than 0.04 ppm can escape.
  • the reciprocating pump preferably has a rinsing device which is suitable for rinsing out substances and in particular preserving agents which get into areas behind the pistons. Flushing can be done, for example, with a solvent or with a gas, such as air.
  • the pump device preferably has at least one valve and preferably at least two valves and in particular one-way valves, through which the pump capacity is made possible.
  • these valves can be designed as check valves.
  • Those valves are in particular positioned in front of and behind a chamber of the piston and can preferably be brought into flow connection with the chamber. In this way, in a manner known per se, the medium to be conveyed flows in and out, and the medium is thereby conveyed forward.
  • piston pump within the meaning of the invention can also contain pistons used on both sides, in which the forward and backward movement is converted into delivery capacity.
  • pumps with several pistons can be connected in such a way that the delivery and the delivery pressure are no longer pulsed, but are relatively continuous.
  • the pump device delivers a pulsed volume flow.
  • the pump device delivers a continuous or essentially continuous volume flow, for example a periodically fluctuating volume flow. A volume flow would also be conceivable which does not fall below 10% of the maximum volume flow.
  • piston pumps within the meaning of the invention are gasoline injection pumps. Further examples within the meaning of the invention are pumps which originate from analytical or preparative HPLC technology.
  • the pump device has a variable delivery rate.
  • this pump device has a delivery rate that is greater than 0.01 l/h and preferably greater than 0.02 l/h.
  • the pump device preferably has a delivery rate that is less than 60 l/h, preferably less than 50 l/h, preferably less than 40 l/h, preferably less than 30 l/h and preferably less than 20 l/h.
  • the pump device can preferably be regulated in a power range in which the ratio between the lowest delivery rate and the highest delivery rate is lower than 0.1, preferably less than 0.01. In this way, a wide variety of requirements when bottling beverages can be met with a single type of pump.
  • the pumps can pump cyclically and/or deliver a pulsed volume flow or pump relatively continuously by utilizing valve switching or the forward and backward movement of the piston.
  • Centrifugal, gear, membrane, helix, liquid jet, displacement, screw or hose pumps are not pumps within the meaning of the invention. In extensive studies and experiments, the applicant has determined that these pumps are not suitable for meeting the very specific requirements that result from the use of the preservative.
  • the pump device within the meaning of the invention is preferably a self-priming pump. These are pumps that do not have to be filled with the liquid medium to be pumped when they start up, can start up empty and, thanks to their ability, develop a suction effect even when dry and suck in the medium independently.
  • the pump device used is therefore preferably suitable and intended for conveying liquid substances, even if these are temporarily not in contact with the pump device.
  • the pump device has, at least in part, materials which do not cause the preservative to decompose and, in particular, do not cause the dimethyl dicarbonate to decompose.
  • materials which do not cause the preservative to decompose and, in particular, do not cause the dimethyl dicarbonate to decompose Particularly preferably, at least those components of the pump device which come into contact with the preservative have (or consist of a material) a material which does not cause the preservative to decompose and, in particular, does not cause any decomposition of dimethyl dicarbonate.
  • the material is passivated stainless steel. Therefore, at least individual components of the pump device preferably have materials (or consist of materials) which do not cause any decomposition of the preservative and in particular no decomposition of dimethyl dicarbonate. These components are preferably selected from a group of components of the pump device, which have a piston of the pump device, a piston chamber Pump device, lines for conducting the preservative, valves of the pump device, sealing devices and the like.
  • valves of the pump device are ball valves.
  • valve balls of these ball valves are made of a material which will not cause the preservative to decompose, and are preferably made of ruby or passivated stainless steel.
  • the pump device has a heating device for heating components of the pump device and in particular for heating components which come into contact with the preservative.
  • a heating device for heating components of the pump device and in particular for heating components which come into contact with the preservative.
  • components such as the piston chamber, the piston or the valves or the lines can be heated.
  • the pump device has at least one temperature detection device for detecting a temperature of the preservative and/or components of the pump device.
  • the pump device can also be controlled as a function of data or measured values which are recorded and/or output by this or the temperature recording device(s).
  • the temperature of the preservative is found to be too low, areas of the pump device can then be heated. If the temperature is found to be too low, it is possible to interrupt the supply of preservative to the pump device or to switch off the pump device.
  • the device according to the invention has a nozzle device which conveys and/or meters the preservative and in particular the dialkyl dicarbonate into the beverage line, this nozzle device preferably being a heatable nozzle device. It is also possible for the beverage to be bottled to be kept at a temperature of at least 20°C.
  • the pump device preferably sucks in the preservative, in particular the dialkyl dicarbonate, from a storage vessel and pumps it to the nozzle device.
  • the nozzle device preferably causes the preservative, in particular the dialkyl dicarbonate, to be sprayed into the beverage.
  • the pump device preferably conveys the preservative to the nozzle device under pressure, and preferably under a pressure of between 5 bar and 100 bar, preferably between 15 bar and 50 bar.
  • the beverage is preferably conveyed through the beverage line with a flow rate of 40l/h - 80000l/h.
  • the lines for connecting the storage container and pump device and/or from the pump device to the nozzle are preferably made of stainless steel, but can also be made of another metal or plastic.
  • Nozzles according to the invention are advantageously made of stainless steel and particularly preferably made of passivated stainless steel.
  • the nozzle device preferably sprays the preservative and in particular the dialkyl dicarbonate in the finest form into the beverage, with the average droplet size preferably being ⁇ 0.1 mm.
  • the nozzle device opens under pressure or closes—particularly automatically—as soon as no more preservative or dialkyl dicarbonate is pumped or when the pressure on the preservative/dialkyl dicarbonate side falls below a predetermined limit, for example when the pressure falls below 10 bar sinks.
  • the nozzle device is particularly preferably heated in order to prevent the dialkyl dicarbonates from crystallizing out.
  • the heating can, for example, preferably be in the form of an electric heating element, which is particularly preferably controlled with the aid of a heating wire that is heated and which is embedded in a metal body or placed directly around the nozzle.
  • the nozzle device can preferably be heated in a range from 25°C to 70°C, preferably in a range from 35°C to 55°C.
  • the preservation takes place against microorganisms such as bacteria, yeasts and fungi.
  • Preservation preferably takes place against microorganisms which are present in the beverage as a result of secondary contamination.
  • the term preservation in the context of the invention also includes sterilization, ie the case in which microorganisms are contained in the beverages even before the preservatives are added. The preservatives then also act as sterilizing agents.
  • Dialkyl dicarbonates are preferably used as preservatives.
  • Dimethyl dicarbonate is very particularly preferably used, and dimethyl dicarbonate with a purity of >99.8% is even more preferably used as a preservative.
  • dimethyl dicarbonate is used which has been stabilized by suitable methods.
  • Such methods such as the use of a phosphorus compound from the series phosphorus oxides, phosphorus-oxygen acids and derivatives thereof are, for example, from EP 2 013 160 B1 known.
  • the EP 2 016 041 B1 describes the use of at least one protic acid from the series of inorganic acids and organic carboxylic acids and derivatives thereof, the organic carboxylic acids being saturated and mono- or polyunsaturated aliphatic monocarboxylic acids and saturated and mono- or polyunsaturated aliphatic di - And polycarboxylic acids and their derivatives are hydroxamic acids, hydroxycarboxylic acids, aldehyde and keto acids, for stabilizing dialkyl dicarbonates against chemical and thermal degradation reactions, the protonic acid or mixtures thereof in an amount of 0.01 to 100,000 ppm based on dialkyl dicarbonates or their mixtures is used.
  • dimethyl dicarbonate is used in a mixture with phosphorus compounds, such as preferably phosphates, even more preferably with trimethyl phosphate or phosphoric acid.
  • phosphorus compounds such as preferably phosphates, even more preferably with trimethyl phosphate or phosphoric acid.
  • the phosphorus compound is preferably used in an amount of between 0.01 ppm and 1000 ppm, based on the total amount of the mixture of dimethyl dicarbonate and phosphorus compounds.
  • the pump device is arranged within a chamber or within a housing.
  • This housing is preferably made of stainless steel. It is possible for this chamber or this housing to essentially completely surround the pump device (apart from the inlets and outlets for the preservative).
  • a storage container for the preservative is also arranged within this housing.
  • the device has an inactivation device for treating and in particular for deactivating preservative vapors and in particular dialkyl dicarbonate vapors.
  • this inactivation device has at least one air circulation device and/or at least one filter device and in particular an activated carbon filter device.
  • the device has a detection device for detecting vapors and in particular preservative vapors.
  • the delivery line opens into a curved section and/or deflection section of the beverage line. This is preferred because the flow direction of the beverage is changed in such a curved section and turbulence thus preferably occurs, which promotes metering of the preservative, ie results in good distribution of the preservative in the beverage.
  • the device has a storage container for receiving the preservative and in particular the dialkyl dicarbonate.
  • the storage container is in particular an exchangeable container.
  • the device can preferably have a holder for receiving this container.
  • the pump device can preferably withdraw the preservative from this storage container.
  • the storage container is arranged below the pump device.
  • the storage container is in flow connection with the pump device or can be brought into such a flow connection.
  • the flow measuring device is arranged in a flow direction of the beverage upstream of the position where the preservative or the dialkyl dicarbonate is fed into the beverage line.
  • the flow measuring device is preferably arranged at such a distance before (in the direction of flow of the beverage) the position of the supply of the preservative that it is possible to react immediately to a changing flow rate of the beverage at any time.
  • the flow meter is part of a filling system and its data is read out.
  • the device according to the invention is preferably designed as a stand-alone device and can preferably also be added to or retrofitted in existing filling systems (in particular systems that do not have their own flow meter).
  • the device has a monitoring device which is suitable and intended for detecting leaks in the pump device.
  • a monitoring device which is suitable and intended for detecting leaks in the pump device.
  • This can be, for example and preferably, a camera that detects the escape of liquids, for example in the area of the piston chamber.
  • a monitoring device can also be designed as a moisture sensor.
  • a warning signal may be issued in response to this determination. It is also possible for the pump device to be switched off when such a leak is detected.
  • the present invention is also directed to a method for preserving beverages, in which a flow rate of a liquid flowing through a beverage line is determined by means of a measuring device and a preservative, in particular dialkyl dicarbonate, is conveyed into the beverage line by means of a pump device and a conveying line is fed into the beverage line opens out and the pump device conveys the preservative through this delivery line and the pump device is controlled as a function of a flow rate determined by the measuring device.
  • a flow rate of a liquid flowing through a beverage line is determined by means of a measuring device and a preservative, in particular dialkyl dicarbonate, is conveyed into the beverage line by means of a pump device and a conveying line is fed into the beverage line opens out and the pump device conveys the preservative through this delivery line and the pump device is controlled as a function of a flow rate determined by the measuring device.
  • the pump device is designed as a piston pump and in particular as a reciprocating piston pump.
  • the method according to the invention is preferably carried out in such a way that the pump device is switched on as soon as the filling process for the beverages begins.
  • An electronic control device is particularly preferably used, which calculates the amount of preservative and in particular dialkyl dicarbonate to be dosed from the amount of beverage measured by the measuring device or the flow meter. This means that independent and fully automated dosing can be achieved.
  • the preservative is metered into the beverage line by means of a nozzle device, with this nozzle device preferably being heated.
  • This nozzle device is particularly preferably electrically heated.
  • the nozzle device opens and closes as a function of the pressure of the preservative.
  • the opening state of the nozzle device is controlled by a pre-pressure of the preservative in a delivery line and in particular the delivery line mentioned above. It is possible that the preservative is continuously or essentially continuously introduced into the beverage stream and in particular metered. Alternatively, it is possible for the preservative to be introduced into the beverage flow in pulses.
  • the pump device preferably weighs less than 20 kg, preferably less than 15 kg, preferably less than 10 kg.
  • the entire device preferably weighs less than 100 kg.
  • the resulting preservatives vapors and in particular dialkyl dicarbonate vapors—are inactivated.
  • This can preferably be carried out by means of a filter device and/or an air circulation device. It is possible that the occurrence of such vapors is detected and an air circulation device is activated accordingly.
  • the present invention is further directed to the use of a piston pump for supplying a preservative into a beverage line when bottling beverages.
  • FIG. 1 shows a device 1 according to the invention.
  • Reference number 10 refers to a beverage line, which can lead, for example, to a filling device 20, which is only shown schematically.
  • the reference number 2 designates a flow measuring device which—in particular continuously—detects a flow of the beverage through the beverage line 10 .
  • This flow measuring device 2 outputs a signal S to a control device 14, which controls the pump device 4 in response to this signal.
  • the pump device 4 is designed here as a piston pump, which sucks the preservative out of a reservoir 8 and conveys it into a delivery line.
  • a nozzle device 6 is arranged at the end of this conveying line, which conveys the preservative into an angled region 10a of the beverage line 10 .
  • the pump device 4 is arranged inside a housing 12, preferably together with the reservoir 8.
  • Reference numeral 18 denotes a
  • the reference number 22 denotes, roughly diagrammatically, a circulating pump which is suitable and intended for causing the air within the housing 12 to be circulated.
  • Reference number 16 designates a deactivation device, such as an activated carbon filter.
  • the preservation process with dialkyl dicarbonate can be operated more economically and also in larger performance ranges.
  • the entire device can be made much smaller than the diaphragm dosing pumps that are commonly used.
  • the pumping equipment was connected to the inlets and outlets of the lines with stainless steel tubes.
  • a pipe was connected in front of the pump device, which allowed the dimethyl dicarbonate to be sucked in.
  • the internal electronics of the flow meter were used to control the electronics, and the signal obtained was sent directly to the pump device 4 .
  • the electronics of the flow meter preferably emits a volume-proportional control signal. With a 10 ml pump head and flow rates of up to 3.5 ml/min at a back pressure of 50 - 85 bar, fine spraying of the dimethyl dicarbonate into the drink (water) could be observed. Droplet formation at the nozzle device was not observed. The results confirm uniform incorporation and mixing of the dimethyl dicarbonate into the beverage. No leakage of the irritating dimethyl dicarbonate into the environment could be observed.
  • a stainless steel nozzle was used as the nozzle device. This had a conical bore into which a conical counterpart was fitted. An increase in the applied pressure causes a gradual opening of this nozzle device. When the initial pressure drops, the nozzle closes again automatically. This form is preferably in a range between 5 bar and 30 bar.
  • Iced tea was used as a drink.
  • the metered amount of dimethyl dicarbonate can be calculated back from the methanol (MeOH) formed 24 hours after hydrolysis. Analysis of the beverages for methanol revealed a consistent and controlled incorporation of the dimethyl dicarbonate (DMDC) as shown in Table 1 below.
  • the desired dosage is guaranteed. No leakage of the irritating dimethyl dicarbonate into the environment could be observed.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Food Science & Technology (AREA)
  • Genetics & Genomics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Polymers & Plastics (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Non-Alcoholic Beverages (AREA)
EP21167212.6A 2021-04-07 2021-04-07 Procédé et dispositif de conservation de boissons Withdrawn EP4070667A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP21167212.6A EP4070667A1 (fr) 2021-04-07 2021-04-07 Procédé et dispositif de conservation de boissons
CN202280026662.9A CN117156981A (zh) 2021-04-07 2022-03-23 用于保存饮料的方法和设备
EP22717388.7A EP4297584A1 (fr) 2021-04-07 2022-03-23 Procédé et appareil de conservation de boissons
BR112023020710A BR112023020710A2 (pt) 2021-04-07 2022-03-23 Método e aparelho para conservar bebidas
JP2023561714A JP2024518700A (ja) 2021-04-07 2022-03-23 飲料を保存するための方法および装置
PCT/EP2022/057698 WO2022214321A1 (fr) 2021-04-07 2022-03-23 Procédé et appareil de conservation de boissons
MX2023011932A MX2023011932A (es) 2021-04-07 2022-03-23 Metodo y aparato para conservar bebidas.
AU2022252903A AU2022252903A1 (en) 2021-04-07 2022-03-23 Method and apparatus for preserving beverages
US18/285,864 US20240180205A1 (en) 2021-04-07 2022-03-23 Method and apparatus for preserving beverages
ARP220100857A AR125653A1 (es) 2021-04-07 2022-04-06 Método y aparato para la conservación de bebidas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21167212.6A EP4070667A1 (fr) 2021-04-07 2021-04-07 Procédé et dispositif de conservation de boissons

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EP4070667A1 true EP4070667A1 (fr) 2022-10-12

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EP21167212.6A Withdrawn EP4070667A1 (fr) 2021-04-07 2021-04-07 Procédé et dispositif de conservation de boissons
EP22717388.7A Pending EP4297584A1 (fr) 2021-04-07 2022-03-23 Procédé et appareil de conservation de boissons

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EP22717388.7A Pending EP4297584A1 (fr) 2021-04-07 2022-03-23 Procédé et appareil de conservation de boissons

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WO2024223165A1 (fr) * 2023-04-27 2024-10-31 Lanxess Deutschland Gmbh Dispositif et procédé de conservation de boissons comprenant un processus de surveillance de système télécommandé et une analyse de données avec retour d'information

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JP2024518700A (ja) 2024-05-02
EP4297584A1 (fr) 2024-01-03
US20240180205A1 (en) 2024-06-06
BR112023020710A2 (pt) 2023-12-12
AR125653A1 (es) 2023-08-02
CN117156981A (zh) 2023-12-01
MX2023011932A (es) 2024-03-26
AU2022252903A1 (en) 2023-10-05

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